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For the Inventor, By the Inventor

St. Charles County, MO, United States of America

Paul J Dumser

This inventor holds 5 USPTO granted patents, plus 1 CIPO patent. Top assignee: Acf Industries, Incorporated. Active years: 1980-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Paul J Dumser. Retrieved from https://idiyas.com/inventor/paul-j-dumser

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 5

% Patents Active = 100.0


Average Co-Inventor Count = 1.9

ph-index = 4

Forward Citations = 48(Granted Patents)


Location History:

  • St. Charles County, MO (US) (1990 - 1992)
  • St. Charles, MO (US) (1980 - 1994)

Company Filing History:

goldMedal5 out of 400 
 
Acf Industries, Incorporated
 patents

Years Active: 1980-1994

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5 patents (USPTO):Explore Patents
1. 5351625 - Weld support for railway tank car underbody construction (1994-10-04),
2. 5329859 - Increased strength railway tank for underframe construction and method (1994-07-19),
3. 5159882 - Railway car underbody structure and method (1992-11-03),
4. 4890646 - Flexible siphon pipe for tank car (1990-01-02),
5. 4220097 - Continuous cradle pad and skid for railway cars (1980-09-02),

I specialize in innovations, inventions, inventors, patent attorneys, assignees, and patents.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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